Class WrapperIterator

java.lang.Object

com.mchange.v1.util.WrapperIterator

All Implemented Interfaces:

Iterator

public abstract class WrapperIterator
extends Object
implements Iterator

This implementation does not yet support removes once hasNext() has been called... will add if necessary.

Field Summary

Fields

Modifier and Type	Field	Description
protected static final Object	SKIP_TOKEN

Constructor Summary

Constructors

Constructor	Description
WrapperIterator(Iterator inner)
WrapperIterator(Iterator inner, boolean supports_remove)

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()
Object	next()
void	remove()
protected abstract Object	transformObject(Object o)	return SKIP_TOKEN to indicate an object should be skipped, i.e., not exposed as part of the iterator.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface Iterator

forEachRemaining

Field Details

SKIP_TOKEN

protected static final Object SKIP_TOKEN

Constructor Details

WrapperIterator

public WrapperIterator(Iterator inner,
 boolean supports_remove)

WrapperIterator

public WrapperIterator(Iterator inner)

Method Details

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator

next

public Object next()

Specified by:

next in interface Iterator

remove

public void remove()

Specified by:

remove in interface Iterator

transformObject

protected abstract Object transformObject(Object o)

return SKIP_TOKEN to indicate an object should be skipped, i.e., not exposed as part of the iterator. (we don't use null, because we want to support iterators over null-accepting Collections.)